|  | warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 | 
|  | --> $DIR/into-iter-on-arrays-2018.rs:14:34 | 
|  | | | 
|  | LL |     let _: Iter<'_, i32> = array.into_iter(); | 
|  | |                                  ^^^^^^^^^ | 
|  | | | 
|  | = warning: this changes meaning in Rust 2021 | 
|  | = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html> | 
|  | = note: `#[warn(array_into_iter)]` on by default | 
|  | help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | 
|  | | | 
|  | LL -     let _: Iter<'_, i32> = array.into_iter(); | 
|  | LL +     let _: Iter<'_, i32> = array.iter(); | 
|  | | | 
|  | help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | 
|  | | | 
|  | LL -     let _: Iter<'_, i32> = array.into_iter(); | 
|  | LL +     let _: Iter<'_, i32> = IntoIterator::into_iter(array); | 
|  | | | 
|  |  | 
|  | warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 | 
|  | --> $DIR/into-iter-on-arrays-2018.rs:18:44 | 
|  | | | 
|  | LL |     let _: Iter<'_, i32> = Box::new(array).into_iter(); | 
|  | |                                            ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` | 
|  | | | 
|  | = warning: this changes meaning in Rust 2021 | 
|  | = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html> | 
|  |  | 
|  | warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 | 
|  | --> $DIR/into-iter-on-arrays-2018.rs:22:43 | 
|  | | | 
|  | LL |     let _: Iter<'_, i32> = Rc::new(array).into_iter(); | 
|  | |                                           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` | 
|  | | | 
|  | = warning: this changes meaning in Rust 2021 | 
|  | = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html> | 
|  |  | 
|  | warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 | 
|  | --> $DIR/into-iter-on-arrays-2018.rs:25:41 | 
|  | | | 
|  | LL |     let _: Iter<'_, i32> = Array(array).into_iter(); | 
|  | |                                         ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` | 
|  | | | 
|  | = warning: this changes meaning in Rust 2021 | 
|  | = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html> | 
|  |  | 
|  | warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 | 
|  | --> $DIR/into-iter-on-arrays-2018.rs:32:24 | 
|  | | | 
|  | LL |     for _ in [1, 2, 3].into_iter() {} | 
|  | |                        ^^^^^^^^^ | 
|  | | | 
|  | = warning: this changes meaning in Rust 2021 | 
|  | = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html> | 
|  | help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | 
|  | | | 
|  | LL -     for _ in [1, 2, 3].into_iter() {} | 
|  | LL +     for _ in [1, 2, 3].iter() {} | 
|  | | | 
|  | help: or remove `.into_iter()` to iterate by value | 
|  | | | 
|  | LL -     for _ in [1, 2, 3].into_iter() {} | 
|  | LL +     for _ in [1, 2, 3] {} | 
|  | | | 
|  |  | 
|  | warning: 5 warnings emitted | 
|  |  |